Linux Kernel  3.7.1
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xattr_trusted.c
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1 /*
2  * JFFS2 -- Journalling Flash File System, Version 2.
3  *
4  * Copyright © 2006 NEC Corporation
5  *
6  * Created by KaiGai Kohei <[email protected]>
7  *
8  * For licensing information, see the file 'LICENCE' in this directory.
9  *
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/fs.h>
14 #include <linux/jffs2.h>
15 #include <linux/xattr.h>
16 #include <linux/mtd/mtd.h>
17 #include "nodelist.h"
18 
19 static int jffs2_trusted_getxattr(struct dentry *dentry, const char *name,
20  void *buffer, size_t size, int type)
21 {
22  if (!strcmp(name, ""))
23  return -EINVAL;
25  name, buffer, size);
26 }
27 
28 static int jffs2_trusted_setxattr(struct dentry *dentry, const char *name,
29  const void *buffer, size_t size, int flags, int type)
30 {
31  if (!strcmp(name, ""))
32  return -EINVAL;
34  name, buffer, size, flags);
35 }
36 
37 static size_t jffs2_trusted_listxattr(struct dentry *dentry, char *list,
38  size_t list_size, const char *name, size_t name_len, int type)
39 {
40  size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
41 
42  if (list && retlen<=list_size) {
44  strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
45  }
46 
47  return retlen;
48 }
49 
51  .prefix = XATTR_TRUSTED_PREFIX,
52  .list = jffs2_trusted_listxattr,
53  .set = jffs2_trusted_setxattr,
54  .get = jffs2_trusted_getxattr
55 };